First published: Wed Aug 03 2022(Updated: )
A use-after-free flaw was found in the Linux kernel’s POSIX CPU timers functionality in the way a user creates and then deletes the timer in the non-leader thread of the program. This flaw allows a local user to crash or potentially escalate their privileges on the system.
Credit: security@ubuntu.com security@ubuntu.com
Affected Software | Affected Version | How to fix |
---|---|---|
redhat/kernel | <0:5.14.0-70.30.1.el9_0 | 0:5.14.0-70.30.1.el9_0 |
redhat/kernel-rt | <0:5.14.0-70.30.1.rt21.102.el9_0 | 0:5.14.0-70.30.1.rt21.102.el9_0 |
redhat/kernel | <6.0 | 6.0 |
Linux Linux kernel | >=5.7<6.0 | |
Canonical Ubuntu Linux | =20.04 | |
Canonical Ubuntu Linux | =22.04 | |
ubuntu/linux | <5.15.0-46.49 | 5.15.0-46.49 |
ubuntu/linux | <6.0~ | 6.0~ |
ubuntu/linux | <5.19.0-18.18 | 5.19.0-18.18 |
ubuntu/linux-aws | <5.15.0-1017.21 | 5.15.0-1017.21 |
ubuntu/linux-aws | <6.0~ | 6.0~ |
ubuntu/linux-aws-5.0 | <6.0~ | 6.0~ |
ubuntu/linux-aws-5.15 | <6.0~ | 6.0~ |
ubuntu/linux-aws-5.15 | <5.15.0-1017.21~20.04.1 | 5.15.0-1017.21~20.04.1 |
ubuntu/linux-aws-5.4 | <6.0~ | 6.0~ |
ubuntu/linux-aws-hwe | <6.0~ | 6.0~ |
ubuntu/linux-azure | <6.0~ | 6.0~ |
ubuntu/linux-azure | <5.15.0-1017.20 | 5.15.0-1017.20 |
ubuntu/linux-azure-4.15 | <6.0~ | 6.0~ |
ubuntu/linux-azure-5.15 | <5.15.0-1017.20~20.04.1 | 5.15.0-1017.20~20.04.1 |
ubuntu/linux-azure-5.15 | <6.0~ | 6.0~ |
ubuntu/linux-azure-5.4 | <6.0~ | 6.0~ |
ubuntu/linux-azure-edge | <6.0~ | 6.0~ |
ubuntu/linux-azure-fde | <5.15.0-1017.20 | 5.15.0-1017.20 |
ubuntu/linux-azure-fde | <6.0~ | 6.0~ |
ubuntu/linux-azure-fde-5.15 | <6.0~ | 6.0~ |
ubuntu/linux-azure-fde-5.15 | <5.15.0-1017.20~20.04.1 | 5.15.0-1017.20~20.04.1 |
ubuntu/linux-bluefield | <6.0~ | 6.0~ |
ubuntu/linux-dell300x | <6.0~ | 6.0~ |
ubuntu/linux-fips | <6.0~ | 6.0~ |
ubuntu/linux-gcp | <6.0~ | 6.0~ |
ubuntu/linux-gcp | <5.15.0-1016.21 | 5.15.0-1016.21 |
ubuntu/linux-gcp-4.15 | <6.0~ | 6.0~ |
ubuntu/linux-gcp-5.15 | <5.15.0-1016.21~20.04.1 | 5.15.0-1016.21~20.04.1 |
ubuntu/linux-gcp-5.15 | <6.0~ | 6.0~ |
ubuntu/linux-gcp-5.4 | <6.0~ | 6.0~ |
ubuntu/linux-gke | <5.15.0-1014.17 | 5.15.0-1014.17 |
ubuntu/linux-gke | <6.0~ | 6.0~ |
ubuntu/linux-gke-4.15 | <6.0~ | 6.0~ |
ubuntu/linux-gke-5.0 | <6.0~ | 6.0~ |
ubuntu/linux-gke-5.15 | <6.0~ | 6.0~ |
ubuntu/linux-gke-5.15 | <5.15.0-1014.17~20.04.1 | 5.15.0-1014.17~20.04.1 |
ubuntu/linux-gke-5.4 | <6.0~ | 6.0~ |
ubuntu/linux-gkeop | <5.15.0-1002.4 | 5.15.0-1002.4 |
ubuntu/linux-gkeop | <6.0~ | 6.0~ |
ubuntu/linux-gkeop-5.4 | <6.0~ | 6.0~ |
ubuntu/linux-hwe | <6.0~ | 6.0~ |
ubuntu/linux-hwe-5.15 | <6.0~ | 6.0~ |
ubuntu/linux-hwe-5.15 | <5.15.0-46.49~20.04.1 | 5.15.0-46.49~20.04.1 |
ubuntu/linux-hwe-5.4 | <6.0~ | 6.0~ |
ubuntu/linux-hwe-edge | <6.0~ | 6.0~ |
ubuntu/linux-ibm | <6.0~ | 6.0~ |
ubuntu/linux-ibm | <5.15.0-1012.14 | 5.15.0-1012.14 |
ubuntu/linux-ibm-5.4 | <6.0~ | 6.0~ |
ubuntu/linux-intel-5.13 | <6.0~ | 6.0~ |
ubuntu/linux-intel-iotg | <5.15.0-1013.17 | 5.15.0-1013.17 |
ubuntu/linux-intel-iotg | <6.0~ | 6.0~ |
ubuntu/linux-intel-iotg-5.15 | <6.0~ | 6.0~ |
ubuntu/linux-intel-iotg-5.15 | <5.15.0-1015.20~20.04.2 | 5.15.0-1015.20~20.04.2 |
ubuntu/linux-kvm | <5.15.0-1016.19 | 5.15.0-1016.19 |
ubuntu/linux-kvm | <6.0~ | 6.0~ |
ubuntu/linux-lowlatency | <5.15.0-46.49 | 5.15.0-46.49 |
ubuntu/linux-lowlatency | <6.0~ | 6.0~ |
ubuntu/linux-lowlatency-hwe-5.15 | <5.15.0-46.49~20.04.1 | 5.15.0-46.49~20.04.1 |
ubuntu/linux-lowlatency-hwe-5.15 | <6.0~ | 6.0~ |
ubuntu/linux-lts-xenial | <6.0~ | 6.0~ |
ubuntu/linux-oem | <6.0~ | 6.0~ |
ubuntu/linux-oem-5.10 | <6.0~ | 6.0~ |
ubuntu/linux-oem-5.14 | <5.14.0-1048.55 | 5.14.0-1048.55 |
ubuntu/linux-oem-5.14 | <6.0~ | 6.0~ |
ubuntu/linux-oem-5.17 | <5.17.0-1015.16 | 5.17.0-1015.16 |
ubuntu/linux-oem-5.17 | <6.0~ | 6.0~ |
ubuntu/linux-oem-5.6 | <6.0~ | 6.0~ |
ubuntu/linux-oem-6.0 | <6.0~ | 6.0~ |
ubuntu/linux-oem-6.1 | <6.0~ | 6.0~ |
ubuntu/linux-oem-osp1 | <6.0~ | 6.0~ |
ubuntu/linux-oracle | <5.15.0-1016.20 | 5.15.0-1016.20 |
ubuntu/linux-oracle | <6.0~ | 6.0~ |
ubuntu/linux-oracle-5.0 | <6.0~ | 6.0~ |
ubuntu/linux-oracle-5.13 | <6.0~ | 6.0~ |
ubuntu/linux-oracle-5.15 | <5.15.0-1016.20~20.04.1 | 5.15.0-1016.20~20.04.1 |
ubuntu/linux-oracle-5.15 | <6.0~ | 6.0~ |
ubuntu/linux-oracle-5.4 | <6.0~ | 6.0~ |
ubuntu/linux-raspi | <5.15.0-1013.15 | 5.15.0-1013.15 |
ubuntu/linux-raspi | <6.0~ | 6.0~ |
ubuntu/linux-raspi-5.4 | <6.0~ | 6.0~ |
ubuntu/linux-raspi2 | <6.0~ | 6.0~ |
ubuntu/linux-riscv | <6.0~ | 6.0~ |
ubuntu/linux-riscv | <5.15.0-1017.19 | 5.15.0-1017.19 |
ubuntu/linux-snapdragon | <6.0~ | 6.0~ |
debian/linux | 4.19.249-2 4.19.304-1 5.10.197-1 5.10.205-2 6.1.66-1 6.1.69-1 6.6.13-1 6.6.15-2 | |
debian/linux-5.10 | 5.10.205-2~deb10u1 |
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(Appears in the following advisories)